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Square D MHL3660033DC1352 - Molded Case Breaker 600A 600V 3-Pole

Square D
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Square D MHL3660033DC1352 is a molded case circuit breaker from the MHL Series designed for overcurrent protection in high-amperage DC power distribution systems. It is rated for 600A at 600V with a 3-pole configuration and features a thermal magnetic trip unit providing long-time and instantaneous (LI) protection functions. The unit has a compact M Frame size with dimensions of 12.86 inches in height, 8.27 inches in width, and 8.05 inches in depth, weighing 40 lb, and utilizes a feed-thru connection style with bolt-on mounting. It complies with UL 489 Supplement SC standards for use on ungrounded DC systems and offers an interrupting rating of 20 kA at 500 VDC. This breaker is suited for industrial and commercial power distribution panels requiring reliable DC circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: MHL Series
  • Current Rating: 600A
  • Voltage Rating: 600V
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Connection: Feed-Thru
  • Mounting Type: Bolt-On
  • AIC rating: 20kA@500VDC
  • Dimensions: Depth 8.05 in (204.47 mm) Width 8.27 in (210.06 mm) Height 12.86 in (326.64 mm)
  • Weight: 40 lb
  • Certification: UL 489 Supplement SC


Part Number: MHL3660033DC1352